Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Em qual ano começou o show de voz de Muscatine?
 ###Tabelas: CREATE TABLE ranking_event_finals:_8_4_titles_4_runner-ups (ranking_event_finals:_8_4_titles_4_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE mps_1832–1885:_macclesfield_parliamentary_borough (mps_1832–1885:_macclesfield_parliamentary_borough_id AUTO_INCREMENT PRIMARY KEY, Election INT, 1st Member VARCHAR, 1st Party VARCHAR, 2nd Member VARCHAR, 2nd Party VARCHAR) CREATE TABLE am (am_id AUTO_INCREMENT PRIMARY KEY, Freq INT, Call VARCHAR, City VARCHAR, Owner VARCHAR, Start INT, Day Power ( W ) INT, Night Power INT, Nickname VARCHAR, Format VARCHAR, Stereo VARCHAR) CREATE TABLE finishing_order (finishing_order_id AUTO_INCREMENT PRIMARY KEY, Position VARCHAR, Name VARCHAR, Jockey VARCHAR, Age INT, Weight (st, lb) VARCHAR, Starting price VARCHAR, Distance VARCHAR) CREATE TABLE personnel_and_sponsorship (personnel_and_sponsorship_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Chairman VARCHAR, Head Coach VARCHAR, Captain VARCHAR, Kitmaker VARCHAR, Shirt sponsor VARCHAR)  
SELECT Start FROM am WHERE Nickname = Voice of Muscatine